<template>
  <div id="app">
    <router-view v-if="isRouterAlive"></router-view>
  </div>
</template>

<script>
export default {
  name: 'App',
  data() {
    return {}
  },
    provide () {    //父组件中通过provide来提供变量，在子组件中通过inject来注入变量。
        return {
            reload: this.reload
        }
    },
    data() {
        return{
            isRouterAlive: true                    //控制视图是否显示的变量
        }
    },
    computed: {},
    watch: {},
    created() {
    },
    methods: {
        reload () {
            this.isRouterAlive = false;            //先关闭，
            this.$nextTick(function () {
                this.isRouterAlive = true;         //再打开
            })
        }
    }

}
</script>
<style lang="scss">
  #app {
    width: 100%;
    height: 100%;
    overflow: hidden;
    overflow-y: auto;
  }
</style>
